OKY2305 with Shield is a module manufactured by OKYSTAR, designed for the purpose of building 3D printers. It consists of a module board, a driver board, and a protection board. The module board contains an STM32 MCU, an on-board microcontroller, and a number of peripheral components for automatic control operations. The driver board is based on the TMC2130 chipset to ensure a steady current output for controlling stepper motors, while the protection board helps enhances the security of the system. It is equipped with various features such as temperature management, thermal alert, and over-voltage protection.